Year	current international $
1990	4642.117796504715
1991	4894.3109621389885
1992	5004.927019211276
1993	5122.066355357633
1994	5350.94638860423
1995	5482.786679555393
1996	5576.848530979291
1997	5813.567390035728
1998	5965.514680930634
1999	5664.602463630523
2000	5756.697079762414
2001	6029.332444416593
2002	6314.136005816005
2003	6509.688428207127
2004	7018.310410940465
2005	7498.706855015926
2006	7927.893127801633
2007	8156.242994065158
2008	8709.458520924878
2009	8710.983805674674
2010	9021.062224814408
2011	9825.427468627162
2012	10302.946511014792
2013	11356.05940186569
2014	11892.814346055031
2015	10924.982204178057
2016	10924.879772721908
2017	11837.67806993914
2018	12211.146515305249
2019	12540.325122312643
2020	11498.928866031414
2021	13452.008772325282
2022	15117.270630279509
2023	15870.26170203355